"Centrifugal prestressed " CNS Standards List| Low Voltage | Eye wash | Safety requirements | Iron steel | Method Test | Low voltage | Steel cylinder | Slotted Countersunk |  | 
          
  
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			CNS 14245 
			            2019 Edition  Centrifugal prestressed concrete pole (for communication line) 電信用離心法製預力混凝土電桿  | 
           
			
			 
			
		
			
			
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